(PhysOrg.com) -- For the first time in more than a quarter century, a new vehicle is sitting at Launch Pad 39B at NASA's Kennedy Space Center in Florida. The Ares I-X flight test vehicle arrived at the pad ...

(PhysOrg.com) -- With 520 seconds of shake, rattle and roar on July 29, NASA's John C. Stennis Space Center marked the end of an era for testing the space shuttle main engines that have powered the nation's ...

(AP) -- Atlantis' astronauts grabbed the Hubble Space Telescope on Wednesday, then quickly set their sights on the difficult, dangerous and unprecedented spacewalking repairs they will attempt over the next ...